/**
  ******************************************************************************
  * @file    gpio.c
  * @brief   This file provides code for the configuration
  *          of all used GPIO pins.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2022 STMicroelectronics.
  * All rights reserved.</center></h2>
  *
  * This software component is licensed by ST under Ultimate Liberty license
  * SLA0044, the "License"; You may not use this file except in compliance with
  * the License. You may obtain a copy of the License at:
  *                             www.st.com/SLA0044
  *
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include "gpio.h"

/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

/*----------------------------------------------------------------------------*/
/* Configure GPIO                                                             */
/*----------------------------------------------------------------------------*/
/* USER CODE BEGIN 1 */

/* USER CODE END 1 */

/** Configure pins as
        * Analog
        * Input
        * Output
        * EVENT_OUT
        * EXTI
*/
void MX_GPIO_Init(void)
{

  GPIO_InitTypeDef GPIO_InitStruct = {0};

  /* GPIO Ports Clock Enable */
  __HAL_RCC_GPIOD_CLK_ENABLE();
  __HAL_RCC_GPIOA_CLK_ENABLE();
  __HAL_RCC_GPIOB_CLK_ENABLE();

  /*Configure GPIO pin Output Level */
  HAL_GPIO_WritePin(GPIOB, BEEP_Pin|MD0_Pin|MD1_Pin, GPIO_PIN_RESET);

  /*Configure GPIO pins : PBPin PBPin PBPin PBPin
                           PBPin */
  GPIO_InitStruct.Pin = RM2006_PWR_Pin|RM2006_LEFT_Pin|RM2006_RIGHT_Pin|DCMOTOR_CW_Pin
                          |DCMOTOR_CCW_Pin;
  GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

  /*Configure GPIO pins : PBPin PBPin PBPin */
  GPIO_InitStruct.Pin = BEEP_Pin|MD0_Pin|MD1_Pin;
  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

}

/* USER CODE BEGIN 2 */

void KEY_Delay(uint8_t t)
{
    int j = 0;
    for(uint8_t i =0;i<t*100;i++){
        j++;
    }
}

E_KEY_LIST Key_Scan(void)
{
    E_KEY_LIST e = NONE_KEY;
    if(HAL_GPIO_ReadPin(GPIOB,RM2006_PWR_Pin) == 0){
        KEY_Delay(1);
        if(HAL_GPIO_ReadPin(GPIOB,RM2006_PWR_Pin) == 0){
            e = PWR_KEY;
        }
    }
    else if(HAL_GPIO_ReadPin(GPIOB,RM2006_LEFT_Pin) == 0){
        KEY_Delay(1);
        if(HAL_GPIO_ReadPin(GPIOB,RM2006_LEFT_Pin) == 0){
            e = RM2006_LEFT_KEY;
        }
    }
    else if(HAL_GPIO_ReadPin(GPIOB,RM2006_RIGHT_Pin) == 0){
        KEY_Delay(1);
        if(HAL_GPIO_ReadPin(GPIOB,RM2006_RIGHT_Pin) == 0){
            e = RM2006_RIGHT_KEY;
        }
    }
    else if(HAL_GPIO_ReadPin(GPIOB,DCMOTOR_CW_Pin) == 0){
        KEY_Delay(1);
        if(HAL_GPIO_ReadPin(GPIOB,DCMOTOR_CW_Pin) == 0){
            e = DCMOTOR_CW_KEY;
        }
    }
    else if(HAL_GPIO_ReadPin(GPIOB,DCMOTOR_CCW_Pin) == 0){
        KEY_Delay(1);
        if(HAL_GPIO_ReadPin(GPIOB,DCMOTOR_CCW_Pin) == 0){
            e = DCMOTOR_CCW_KEY;
        }
    }

    return e;
}
/* USER CODE END 2 */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
